:root {
            --primary-blue: #1a56db;
            --secondary-blue: #3b82f6;
            --light-blue: #93c5fd;
            --dark-blue: #0f172a;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --white: #ffffff;
            --accent-green: #10b981;
            --accent-purple: #8b5cf6;
            --error-red: #ef4444;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        html { overflow-y: scroll; scrollbar-gutter: stable; }
    body {
            color: var(--gray-900);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-text-size-adjust: 100%;
        }

        /* 导航栏样式 */
        .navbar {
            background-color: #ffffff;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 0 2.5rem;
            height: 64px;
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 2.6rem;
            border-bottom: 1px solid #eef0f4;
        }
        /* ===== Logo ===== */
        .logo { display: flex; align-items: center; text-decoration: none; }
        .logo-img { display: block; height: 42px; width: auto; max-width: 240px; }
        .logo-text { font-size: 19px; font-weight: 800; letter-spacing: 0.2px; line-height: 1; color: #1a1f36; }
        .logo-text em { font-style: normal; font-size: 11px; font-weight: 500; color: #8a94a6; }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--dark-blue);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.1rem;
        }
        .dynamic-nav { display: flex; align-items: center; gap: 2.1rem; }

        .nav-links a {
            text-decoration: none;
            color: var(--gray-800);
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
        }

        .nav-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-outline {
            border: 1px solid var(--primary-blue);
            color: var(--primary-blue);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary-blue);
            color: white;
        }

        .btn-primary {
            background-color: var(--primary-blue);
            color: white;
            border: none;
        }

        .btn-primary:hover {
            background-color: var(--secondary-blue);
        }

        /* 汉堡菜单样式 */
        .hamburger-menu {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
            position: relative;
            z-index: 1001;
        }

        .hamburger-menu span {
            display: block;
            height: 3px;
            width: 100%;
            background-color: var(--dark-blue);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        #menu-toggle {
            display: none;
        }

        /* 英雄区域样式 */
        .hero {
            background: linear-gradient(120deg, var(--white) 60%, var(--gray-50) 40%);
            padding: 8rem 2rem 4rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 100vh;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--light-blue);
            color: var(--primary-blue);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 1rem;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--dark-blue);
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-800);
            margin-bottom: 2.5rem;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .stat-label {
            color: var(--gray-800);
        }

        .hero-visual {
            position: relative;
        }

        .dashboard-img {
            width: 600px;
            border-radius: 12px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            transform: perspective(1000px) rotateY(-10deg);
            transition: transform 0.5s;
        }

        .dashboard-img:hover {
            transform: perspective(1000px) rotateY(0);
        }

        /* 解决方案部分 */
        .section {
            padding: 5rem 2rem;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 4rem;
        }

        .section-tag {
            color: var(--primary-blue);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--dark-blue);
        }

        .section-desc {
            font-size: 1.125rem;
            color: var(--gray-800);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .solution-card {
            background: var(--white);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        .solution-icon {
            width: 60px;
            height: 60px;
            background-color: var(--light-blue);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--primary-blue);
            font-size: 1.5rem;
        }

        .solution-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark-blue);
        }

        .solution-desc {
            color: var(--gray-800);
            margin-bottom: 1.5rem;
        }

        .solution-features {
            list-style: none;
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
            color: var(--gray-800);
        }

        .solution-features li i {
            color: var(--accent-green);
        }

        /* 功能部分 */
        .features {
            background-color: var(--gray-50);
        }

        .features-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .feature-img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .feature-item {
            display: flex;
            gap: 1rem;
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            background-color: var(--light-blue);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .feature-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark-blue);
        }

        .feature-content p {
            color: var(--gray-800);
        }

        /* 定制方案部分 */
        .customization {
            background: linear-gradient(120deg, var(--primary-blue) 60%, var(--secondary-blue) 40%);
            color: white;
            padding: 5rem 2rem;
        }

        .customization .section-header {
            color: white;
        }

        .customization .section-tag {
            color: var(--light-blue);
        }

        .customization-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 3rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .customization-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s;
        }

        .customization-card:hover {
            transform: translateY(-5px);
        }

        .customization-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.5rem;
        }

        .customization-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .customization-desc {
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        .customization-features {
            list-style: none;
            margin-bottom: 2rem;
        }

        .customization-features li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
            opacity: 0.9;
        }

        .customization-features li i {
            color: var(--accent-green);
        }

        /* 客户案例部分 */
        .testimonials {
            background: var(--gray-50);
            color: var(--gray-900);
            padding: 5rem 2rem;
        }

        .testimonials .section-tag {
            color: var(--primary-blue);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: 12px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 2rem;
            flex-grow: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--primary-blue);
        }

        .author-info h4 {
            font-weight: 600;
        }

        .author-info p {
            font-size: 0.875rem;
            opacity: 0.8;
        }

        /* 关于我们部分 */
        .about {
            background-color: var(--white);
            padding: 5rem 2rem;
        }

        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .about-company {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .company-desc {
            color: var(--gray-800);
            line-height: 1.7;
            text-indent: 2em;
        }

        .about-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .about-features li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--gray-800);
        }

        .about-features li i {
            color: var(--primary-blue);
            font-size: 1.1rem;
        }

        .about-img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        /* CTA部分 */
        .cta {
            text-align: center;
            padding: 5rem 2rem;
            background-color: var(--gray-50);
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--dark-blue);
        }

        .cta-desc {
            font-size: 1.125rem;
            color: var(--gray-800);
            margin-bottom: 2.5rem;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
        }

        /* 页脚 - 响应式布局 */
        .footer {
            background-color: var(--dark-blue);
            color: white;
            padding: 4rem 2rem 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr repeat(5, 1fr);
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: background 0.3s;
        }

        .social-links a:hover {
            background: var(--primary-blue);
        }

        .brand-bottom {
            color: var(--light-blue);
            font-size: 0.875rem;
            line-height: 1.5;
        }

        .brand-bottom a {
            color: var(--light-blue);
            text-decoration: none;
            transition: color 0.3s;
        }

        .brand-bottom a:hover {
            color: white;
            text-decoration: underline;
        }

        .footer-heading {
            font-weight: 600;
            margin-bottom: 1.5rem;
            font-size: 1.125rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: var(--light-blue);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        /* 备案信息样式 */
        .beian-link {
            color: var(--light-blue);
            text-decoration: none;
            transition: color 0.3s;
        }

        .beian-link:hover {
            color: white;
            text-decoration: underline;
        }

        /* 咨询弹窗样式 */
        .consultation-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .consultation-content {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            width: 90%;
            max-width: 700px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            position: relative;
        }

        .consultation-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1rem;
        }

        .consultation-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dark-blue);
            margin-right: 2rem;
        }

        .consultation-intro {
            margin-bottom: 1.5rem;
            color: var(--gray-800);
            line-height: 1.5;
        }

        .consultation-intro p {
            margin-bottom: 0.5rem;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray-800);
            transition: color 0.3s;
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-btn:hover {
            color: var(--primary-blue);
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--gray-800);
        }

        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--gray-100);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .submit-btn {
            width: 100%;
            padding: 0.75rem;
            background-color: var(--primary-blue);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s;
            position: relative;
        }

        .submit-btn:hover {
            background-color: var(--secondary-blue);
        }

        /* 成功提示弹窗样式 */
        .success-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .success-content {
            background-color: white;
            border-radius: 12px;
            padding: 2rem;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            text-align: center;
            position: relative;
        }

        .success-icon {
            width: 60px;
            height: 60px;
            background-color: var(--accent-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.5rem;
        }

        .success-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark-blue);
        }

        .success-message {
            color: var(--gray-800);
            margin-bottom: 1.5rem;
        }

        .success-btn {
            padding: 0.75rem 2rem;
            background-color: var(--primary-blue);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .success-btn:hover {
            background-color: var(--secondary-blue);
        }

        /* 表单验证错误样式 */
        .error-message {
            color: var(--error-red);
            font-size: 0.875rem;
            margin-top: 0.5rem;
            display: none;
        }

        .form-input.error, .form-textarea.error {
            border-color: var(--error-red);
        }

        /* 加载指示器 */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
            margin-right: 8px;
            vertical-align: middle;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 平滑滚动 */
        html {
            scroll-behavior: smooth;
        }

        /* 响应式设计 - 移动端优化 */
        @media (max-width: 1024px) {
            .solutions-grid,
            .testimonials-grid,
            .customization-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1.25rem;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
                text-align: center;
                margin-bottom: 1.5rem;
                order: 3;
            }
            
            .social-links {
                justify-content: center;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .dashboard-img {
                width: 450px;
            }
            
            .about-container {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }
    @media (max-width: 1024px) and (min-width: 769px) {
        .navbar { gap: 1.5rem; padding: 0 1.5rem; }
        .nav-links { gap: 1.1rem; }
        .nav-links .nav-link { font-size: 14px; }
        .logo-text { font-size: 17px; }
        .logo-img { height: 34px; }
        .dropdown-menu { min-width: 150px; }
    }


        @media (max-width: 768px) {
            .navbar {
                flex-direction: row;
                padding: 1rem;
                justify-content: space-between;
            }

            .logo-img {
                height: 30px;
                max-width: 170px;
            }
            
            /* 汉堡菜单在小屏幕上显示 */
            .hamburger-menu {
                display: flex;
                z-index: 1300;
                position: relative;
            }
            
            /* 导航链接在小屏幕上隐藏 */
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 84%;
                max-width: 320px;
                height: 100vh;
                background-color: #ffffff;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 0.35rem;
                padding: 5rem 1.2rem 2rem;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
                transition: right 0.3s ease;
                box-shadow: -8px 0 24px rgba(26, 31, 54, 0.16);
                z-index: 1200;
            }
            .nav-links .nav-link {
                display: flex;
                align-items: center;
                justify-content: center;
                padding: 0.8rem 0.5rem;
                font-size: 1.02rem;
                border-radius: 10px;
            }
            .nav-links .nav-link:hover { background: #f2f5ff; }
            
            /* 菜单展开时的汉堡菜单动画 */
            #menu-toggle:checked ~ .hamburger-menu span:nth-child(1) {
                transform: translateY(9px) rotate(45deg);
            }
            
            #menu-toggle:checked ~ .hamburger-menu span:nth-child(2) {
                opacity: 0;
            }
            
            #menu-toggle:checked ~ .hamburger-menu span:nth-child(3) {
                transform: translateY(-9px) rotate(-45deg);
            }
            
            /* 菜单展开时显示导航链接 */
            #menu-toggle:checked ~ .nav-links {
                right: 0;
            }
            
            /* 抽屉内下拉菜单直接平铺（触屏无 hover） */
            .dropdown { width: 100%; text-align: left; }
            .dropdown-menu {
                position: static; transform: none;
                box-shadow: none; border: none;
                background: #f6f8fc;
                border-radius: 12px; padding: 6px; width: 100%;
                display: flex; flex-direction: column; gap: 1px;
                animation: none; margin-top: 2px;
            }
            .dropdown-menu .dropdown-item { padding: 0.7rem 0.9rem; text-align: center; }
            .dropdown-item { justify-content: center; padding: 0.7rem 0.9rem; text-align: center; }
            .dropdown-arrow { display: none; }
            .dropdown-toggle { justify-content: center; }
            
            /* 菜单展开时添加遮罩层 */
            #menu-toggle:checked ~ .menu-overlay {
                display: block;
            }
            
            .menu-overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: rgba(15, 23, 42, 0.45);
                z-index: 1100;
                cursor: pointer;
            }
            
            .hero {
                flex-direction: column;
                text-align: center;
                padding: 7rem 1rem 3rem;
            }
            
            .hero-content {
                max-width: 100%;
            }
            
            .hero-title {
                font-size: 2.2rem;
            }
            
            .hero-desc {
                font-size: 1.1rem;
            }
            
            .hero-actions {
                justify-content: center;
                flex-direction: column;
                align-items: center;
            }
            
            .hero-actions .btn {
                width: 100%;
                max-width: 250px;
                text-align: center;
            }
            
            .hero-stats {
                justify-content: center;
                flex-wrap: wrap;
            }
            
            .dashboard-img {
                margin-top: 3rem;
                width: 100%;
                max-width: 400px;
                transform: none;
            }
            
            .section {
                padding: 3rem 1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .section-desc {
                font-size: 1rem;
            }
            
            .solutions-grid,
            .testimonials-grid,
            .customization-grid {
                grid-template-columns: 1fr;
            }
            
            .features-container {
                grid-template-columns: 1fr;
            }
            
            .feature-item {
                flex-direction: column;
                text-align: center;
            }
            
            .feature-icon {
                align-self: center;
            }
            
            /* 关于我们区块在小屏幕下文本左对齐 */
            .about-container {
                grid-template-columns: 1fr;
                text-align: left;
            }
            
            .company-desc {
                text-indent: 0;
                text-align: left;
            }
            
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .cta-actions .btn {
                width: 100%;
                max-width: 250px;
            }
            
            /* 页脚在小屏幕下调整为三列布局 */
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1rem;
                text-align: center;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
                text-align: center;
                margin-bottom: 0;
                order: 3;
            }
            
            .social-links {
                justify-content: center;
            }
            
            .consultation-content,
            .success-content {
                width: 95%;
                padding: 1.5rem;
            }
            
            .close-btn {
                top: 1rem;
                right: 1rem;
            }
        }

        @media (max-width: 480px) {
            .navbar { padding: 0.7rem 1rem; }
            .logo-text { font-size: 16px; }
            .nav-links { padding: 4.5rem 1rem 2rem; gap: 0.25rem; }
            .hero-title {
                font-size: 1.8rem;
            }
            
            .hero-desc {
                font-size: 1rem;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .solution-card,
            .testimonial-card,
            .customization-card {
                padding: 1.5rem;
            }
            
            .cta-title {
                font-size: 2rem;
            }
            
            .consultation-title {
                font-size: 1.3rem;
            }
            
            .consultation-intro p {
                font-size: 0.9rem;
            }
            
            .form-input, .form-textarea {
                font-size: 16px;
            }
            
            .success-title {
                font-size: 1.3rem;
            }
            
            /* 在超小屏幕下，页脚调整为三列布局 */
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 0.75rem;
                text-align: center;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
                text-align: center;
                margin-bottom: 0;
                order: 3;
            }
            
            .social-links {
                justify-content: center;
            }
            
            /* 调整超小屏下的字体大小 */
            .footer-heading {
                font-size: 1rem;
                margin-bottom: 1rem;
            }
            
            .footer-links li {
                margin-bottom: 0.5rem;
            }
            
            .footer-links a {
                font-size: 0.875rem;
            }
        }

        /* 移动端触摸优化 */
        @media (max-width: 768px) {
            .btn {
                padding: 1rem 1.5rem;
                min-height: 44px;
            }
            
            .nav-links a {
                padding: 0.5rem;
                min-height: 44px;
                display: flex;
                align-items: center;
                font-size: 1.1rem;
            }
            
            .form-input, .form-textarea, .submit-btn {
                min-height: 44px;
            }
            
            .close-btn, .success-btn {
                min-width: 44px;
                min-height: 44px;
            }
            
            .hamburger-menu {
                width: 44px;
                height: 44px;
                padding: 12px;
            }
        }

        /* 防止移动端横向滚动 */
        body {
            max-width: 100%;
            overflow-x: hidden;
        }
    

/* ===== AI Demo 在线体验 ===== */
.demo-section {
  background: #f0f4ff;
}
.demo-container {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(26, 86, 219, 0.12);
  padding: 24px;
}
.demo-chat {
  height: 360px;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #f8fafc;
  border-radius: 12px;
}
.demo-msg {
  display: flex;
  gap: 10px;
  max-width: 85%;
}
.demo-msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.demo-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #1a56db;
  color: #fff;
  font-size: 14px;
}
.demo-msg-user .demo-avatar {
  background: #4d84ff;
}
.demo-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #e3e5ea;
  font-size: 14px;
  line-height: 1.6;
  color: #1a1f36;
  white-space: pre-wrap;
}
.demo-msg-user .demo-bubble {
  background: #1a56db;
  color: #fff;
  border-color: #1a56db;
}
.demo-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 4px 4px;
}
.demo-hint {
  border: 1px solid #d4def7;
  background: #f4f7fe;
  color: #1a56db;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.demo-hint:hover {
  background: #1a56db;
  color: #fff;
}
.demo-input-row {
  display: flex;
  gap: 10px;
  padding-top: 12px;
}
.demo-input {
  flex: 1;
  border: 1px solid #e3e5ea;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.demo-input:focus {
  border-color: #1a56db;
}
.demo-send {
  border-radius: 8px;
  padding: 0 22px;
}
.demo-note {
  text-align: center;
  color: #8a94a6;
  font-size: 12px;
  margin-top: 10px;
}
.demo-typing .demo-bubble::after {
  content: '...';
  animation: demoBlink 1s infinite;
}
@keyframes demoBlink {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* ===== 行业页 ===== */
/* 2026-10-30 修复：原为 padding:110px 0 70px，左右内边距为 0，桌面端标题贴边 */
.industry-hero {
  padding: 110px 2rem 70px;
}
@media (max-width: 768px) {
  .industry-hero { padding: 96px 1rem 48px; }
}
.industry-visual-card {
  background: linear-gradient(135deg, #1a56db, #4d84ff);
  border-radius: 16px;
  padding: 48px 56px;
  color: #fff;
  text-align: center;
  box-shadow: 0 12px 40px rgba(26, 86, 219, 0.3);
}
.industry-visual-card i {
  font-size: 64px;
  display: block;
  margin-bottom: 16px;
}
.industry-visual-card span {
  font-size: 22px;
  font-weight: 600;
}
.industry-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.25s, box-shadow 0.25s;
}
.industry-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(26, 86, 219, 0.15);
}
.industry-features {
  max-width: 760px;
  margin: 0 auto;
}

/* ===== 下拉菜单（导航） ===== */
.dropdown { position: relative; display: inline-block; padding-bottom: 14px; margin-bottom: -14px; }
.dropdown-toggle { cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
.dropdown-arrow { font-size: 10px; transition: transform 0.25s; }
.dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  min-width: 150px; background: #fff; border: 1px solid #eef0f4; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(26, 31, 54, 0.12); padding: 8px; display: none;
  flex-direction: column; gap: 2px; z-index: 1200;
}
.dropdown:hover .dropdown-menu { display: flex; }
.dropdown-item {
  display: block; padding: 9px 14px; border-radius: 7px; font-size: 14px;
  color: var(--gray-800, #333); text-decoration: none; transition: background 0.2s, color 0.2s;
}
.dropdown-item:hover { background: #f0f4ff; color: var(--primary-blue, #3370ff); }
.nav-cta { padding: 8px 18px; font-size: 14px; }

/* 移动端抽屉内：下拉展开为普通列表 */
/* ===== v17 桌面导航（仅 ≥769px 生效，≤768 抽屉由抽屉块控制） ===== */
@media (min-width: 769px) {
/* ===== v17 顶栏（Dataify 风格下拉） ===== */
.nav-links .nav-link { font-size: 15px; color: #3a4152; font-weight: 500; text-decoration: none; transition: color 0.2s, background 0.2s; padding: 8px 12px; margin: 0 -4px; border-radius: 8px; line-height: 1; }
.nav-links .nav-link:hover { color: #3370ff; background: #f0f4ff; }
.dropdown { position: relative; display: inline-block; padding-bottom: 14px; margin-bottom: -14px; }
.dropdown-toggle { cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.dropdown-arrow { font-size: 10px; color: #a3aab8; transition: transform 0.25s; }
.dropdown:hover .dropdown-arrow { transform: rotate(180deg); color: #3370ff; }
.dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  min-width: 176px; background: #fff; border: 1px solid #eef0f4; border-radius: 12px;
  box-shadow: 0 14px 36px rgba(26, 31, 54, 0.12); padding: 7px; display: none;
  flex-direction: column; gap: 1px; z-index: 1200;
}
/* 悬停桥：主菜单与下拉卡片之间的空隙也计入 hover 区，杜绝鼠标横穿时菜单闪跳 */
.dropdown-menu::before {
  content: ''; position: absolute; top: -14px; left: -12px; right: -12px; height: 14px;
}
/* 卡片顶部指向主菜单的小三角 */
.dropdown-menu::after {
  content: ''; position: absolute; top: -5px; left: 50%; margin-left: -5px;
  width: 10px; height: 10px; background: #fff; transform: rotate(45deg);
  border-left: 1px solid #eef0f4; border-top: 1px solid #eef0f4;
  border-top-left-radius: 3px; z-index: -1;
}
.dropdown:hover .dropdown-menu { display: flex; animation: ddIn 0.18s ease; }
@keyframes ddIn { from { opacity: 0; transform: translateX(-50%) translateY(-4px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
.dropdown-item {
  display: flex; align-items: center; padding: 9px 12px; border-radius: 8px; font-size: 13.5px;
  color: #5a6276; text-decoration: none; white-space: nowrap;
  transition: background 0.15s, color 0.15s, padding-left 0.15s;
}
.dropdown-item::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: #ccd3e2; margin-right: 10px; flex: none;
  transition: background 0.15s;
}
.dropdown-item:hover { background: #f0f4ff; color: #3370ff; padding-left: 16px; }
.dropdown-item:hover::before { background: #3370ff; }
.nav-cta { padding: 9px 20px; font-size: 14px; border-radius: 8px; }
}

/* 移动端：下拉展开 + 抽屉适配 */


/* ===== v20c 汉堡抽屉全量平铺：打开即见全部菜单（覆盖 v17 桌面下拉规则） ===== */
@media (max-width: 768px) {
    .nav-links .dropdown {
        width: 100%;
        text-align: center;
        margin: 0;
    }
    .nav-links .dropdown-menu {
        position: static !important;
        transform: none !important;
        display: flex !important;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0;
        width: 100%;
        flex-direction: column;
        animation: none;
        margin: 0;
        pointer-events: auto;
    }
    .nav-links .dropdown-item {
        justify-content: center;
        padding: 0.65rem 0.5rem;
        color: #4a5165;
    }
    .nav-links .dropdown-arrow {
        display: none !important;
    }
    /* 下拉组标题与平铺子项分组呼吸感 */
    .nav-links .dropdown-toggle {
        margin-top: 0.35rem;
    }
    .nav-links .dropdown-menu .dropdown-item {
        padding-left: 1.1rem;
        font-size: 0.97rem;
    }
}

/* ===== v27 页脚五栏下挂链接：heading 原样式 + footer-links 列表，无需额外规则；小屏两列 ===== */
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== v32 五栏靠右 ===== */
.footer-grid {
    display: flex;
    align-items: flex-start;
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.footer-brand { flex: 0 0 auto; }
.footer-cols {
    display: flex;
    gap: 2.5rem;
    margin-left: auto;
}
.footer-cols > div { flex: 0 0 auto; }
@media (max-width: 1024px) {
    .footer-grid { flex-wrap: wrap; gap: 1.5rem; }
    .footer-cols {
        width: 100%;
        margin-left: 0;
        flex-wrap: wrap;
        gap: 1.75rem 2.25rem;
        justify-content: flex-start;
    }
    .footer-cols > div { flex: 1 1 26%; }
    .footer-brand {
        order: 3;
        width: 100%;
        text-align: center;
        align-items: center;
        margin-top: 1.5rem;
    }
    .footer-brand .social-links { justify-content: center; }
}
@media (max-width: 768px) {
    .footer-cols > div { flex: 1 1 40%; }
}
@media (max-width: 480px) {
    .footer-cols { gap: 1.25rem; }
    .footer-cols > div { flex: 1 1 42%; }
}


/* ===== MiniMax blog 风格卡片网格（参考 minimaxi.com/blog）===== */
.mm-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.mm-card {
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.04);
  padding: 1.75rem 1.5rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.mm-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.09);
}
.mm-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1a56db, #3b82f6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}
.mm-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}
.mm-card-desc {
  font-size: 0.9rem;
  color: #666666;
  line-height: 1.6;
}
@media (max-width: 900px) {
  .mm-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .mm-card-grid { grid-template-columns: 1fr; }
}


/* ===== 区块库扩展：pricing / steps / timeline / news-list ===== */
.section-desc {
  max-width: 720px;
  margin: 0.75rem auto 0;
  color: #666666;
  font-size: 1rem;
  line-height: 1.7;
}
/* pricing 价格卡 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}
.pricing-card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}
.pricing-hot {
  border: 2px solid var(--primary-blue);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.14);
}
.pricing-hot:hover { box-shadow: 0 14px 32px rgba(26, 86, 219, 0.2); }
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #1a56db, #3b82f6);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-name { font-size: 1.35rem; font-weight: 700; color: #1a1a1a; }
.pricing-who { margin: 0.35rem 0 1rem; color: #888888; font-size: 0.85rem; }
.pricing-price { display: flex; align-items: baseline; gap: 0.3rem; margin-bottom: 1.25rem; }
.pricing-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-blue);
  line-height: 1;
  letter-spacing: -0.5px;
}
.pricing-unit { color: #999999; font-size: 0.9rem; }
.pricing-features { list-style: none; margin: 0 0 1.75rem; padding: 0; flex: 1; }
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.4rem 0;
  color: #444444;
  font-size: 0.92rem;
  line-height: 1.55;
}
.pricing-features li i { color: var(--accent-green); margin-top: 0.2rem; font-size: 0.8rem; }
.pricing-card .btn { width: 100%; text-align: center; }
/* steps 步骤卡 */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.step-card {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.75rem 1.5rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.step-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.09); }
.step-no {
  font-size: 2rem;
  font-weight: 800;
  color: var(--light-blue);
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  line-height: 1;
}
.step-title { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; margin-bottom: 0.5rem; }
.step-desc { font-size: 0.88rem; color: #666666; line-height: 1.7; }
/* timeline 时间线 */
.timeline {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  padding-left: 2.2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--light-blue), var(--primary-blue));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}
.timeline-marker {
  position: absolute;
  left: -2.2rem;
  top: 1.15rem;
  color: var(--primary-blue);
  font-size: 0.55rem;
  background: #fff;
  padding: 0 0.15rem;
}
.timeline-body {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.5rem 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.timeline-body:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(0, 0, 0, 0.08); }
.timeline-phase {
  display: inline-block;
  background: rgba(26, 86, 219, 0.08);
  color: var(--primary-blue);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}
.timeline-title { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; margin-bottom: 0.4rem; }
.timeline-desc { font-size: 0.88rem; color: #666666; line-height: 1.7; }
/* news-list 新闻列表 */
.news-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.news-item {
  display: flex;
  gap: 1.5rem;
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.5rem 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.news-item:hover {
  transform: translateX(4px);
  border-color: rgba(26, 86, 219, 0.25);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
}
.news-meta {
  flex-shrink: 0;
  width: 120px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.news-date { font-size: 0.8rem; color: #999999; font-weight: 600; }
.news-tag {
  align-self: flex-start;
  background: rgba(26, 86, 219, 0.08);
  color: var(--primary-blue);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
}
.news-main { flex: 1; min-width: 0; }
.news-title { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; margin-bottom: 0.4rem; transition: color 0.2s; }
.news-item:hover .news-title { color: var(--primary-blue); }
.news-desc { font-size: 0.9rem; color: #666666; line-height: 1.7; margin-bottom: 0.5rem; }
.news-more {
  color: #333333;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}
.news-item:hover .news-more { color: var(--primary-blue); }
.news-more i { font-size: 0.7rem; margin-left: 0.25rem; }
@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .steps-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; gap: 0.6rem; }
  .news-meta { width: auto; flex-direction: row; align-items: center; }
}


/* ===== 阶段二：文档站风组件（借鉴 MiniMax 接口概览） ===== */
/* note 提示框 */
.note-section .note-box {
  display: flex;
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
  border-radius: 12px;
  padding: 1.1rem 1.4rem;
  align-items: flex-start;
}
.note-info { background: #eaf2ff; border: 1px solid #d4e3ff; }
.note-tip  { background: #f0fbf4; border: 1px solid #d5f0df; }
.note-warn { background: #fff8ec; border: 1px solid #ffe9c4; }
.note-icon { font-size: 1.05rem; padding-top: 0.1rem; }
.note-info .note-icon { color: var(--primary-blue); }
.note-tip .note-icon  { color: var(--accent-green); }
.note-warn .note-icon { color: #f59e0b; }
.note-body { flex: 1; }
.note-title { font-weight: 700; color: #1a1a1a; margin-bottom: 0.2rem; font-size: 0.98rem; }
.note-text { color: #4a4a4a; line-height: 1.75; font-size: 0.92rem; margin: 0; }
/* doc 文档布局（chapters） */
.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 2.5rem;
  max-width: 1060px;
  margin: 0 auto;
}
.doc-main { min-width: 0; }
.doc-title { font-size: 1.9rem; font-weight: 700; color: #111827; margin: 0 0 0.35rem; }
.doc-lead { color: #6b7280; font-size: 0.98rem; line-height: 1.7; margin: 0 0 1.75rem; padding-bottom: 1.5rem; border-bottom: 1px solid #eceef1; }
.doc-chapter { margin-bottom: 2.2rem; scroll-margin-top: 90px; }
.doc-chapter-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid #f0f1f3;
  margin: 0 0 0.9rem;
}
.doc-p { color: #4a4a4a; font-size: 0.95rem; line-height: 1.85; margin: 0 0 0.8rem; }
.doc-toc { position: sticky; top: 90px; align-self: start; }
.doc-toc-title { font-size: 0.8rem; font-weight: 700; color: #999; letter-spacing: 0.5px; margin-bottom: 0.7rem; text-transform: uppercase; }
.doc-toc ul { list-style: none; margin: 0; padding: 0; }
.doc-toc li { margin-bottom: 0.2rem; }
.doc-toc-link {
  display: block;
  color: #666;
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-left: 2px solid transparent;
  line-height: 1.4;
  transition: color 0.2s, border-color 0.2s;
}
.doc-toc-link:hover { color: var(--primary-blue); border-left-color: var(--primary-blue); }
/* table 通用表格 */
.table-wrap { max-width: 980px; margin: 0 auto; overflow-x: auto; }
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}
.doc-table caption { text-align: left; color: #888; font-size: 0.85rem; padding: 0 0 0.5rem; }
.doc-table th, .doc-table td {
  border: 1px solid #eceef1;
  padding: 0.75rem 1rem;
  text-align: left;
  color: #4a4a4a;
  line-height: 1.6;
}
.doc-table thead th { background: #f7f8fa; font-weight: 600; color: #333; white-space: nowrap; }
.doc-table tbody tr:hover td { background: #fafbfd; }
/* stats 数据栏 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 1060px;
  margin: 0 auto;
}
.stat-card {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.09); }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #1a56db, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-label { font-size: 0.98rem; font-weight: 600; color: #1a1a1a; margin-top: 0.3rem; }
.stat-note { font-size: 0.8rem; color: #888; line-height: 1.6; margin: 0.4rem 0 0; }
/* cases-grid 场景卡 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}
.case-card {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(0, 0, 0, 0.09); }
.case-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.9rem; }
.case-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1a56db, #3b82f6);
  color: #fff; font-size: 1.05rem;
}
.case-tag {
  background: rgba(26, 86, 219, 0.08);
  color: var(--primary-blue);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.case-title { font-size: 1.06rem; font-weight: 600; color: #1a1a1a; margin-bottom: 0.5rem; }
.case-desc { font-size: 0.88rem; color: #555; line-height: 1.7; margin: 0 0 1rem; flex: 1; }
.case-who {
  border-top: 1px solid #f0f1f3;
  padding-top: 0.7rem;
  font-size: 0.8rem;
  color: #888;
  display: flex; align-items: center; gap: 0.45rem;
}
.case-who i { color: #b0b5bd; font-size: 0.75rem; }
/* jobs 职位行卡 */
.jobs-list { max-width: 980px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.job-card {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.5rem 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.job-card:hover { transform: translateX(4px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08); }
.job-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(26, 86, 219, 0.08);
  color: var(--primary-blue);
  font-size: 1.2rem;
}
.job-main { flex: 1; min-width: 0; }
.job-title-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.4rem; }
.job-name { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; }
.job-type {
  background: #f0f1f3; color: #666;
  font-size: 0.72rem; font-weight: 600;
  padding: 0.15rem 0.6rem; border-radius: 999px;
}
.job-desc { font-size: 0.88rem; color: #666; line-height: 1.7; margin: 0; }
.job-cta { flex-shrink: 0; }
/* form 内嵌咨询表单 */
.consult-card {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
  padding: 2rem 2.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-field { margin-bottom: 1.1rem; }
.form-field label { display: block; font-size: 0.88rem; font-weight: 600; color: #333; margin-bottom: 0.4rem; }
.form-field label em { color: #ef4444; font-style: normal; }
.form-field input, .form-field textarea {
  width: 100%;
  border: 1px solid #e3e5ea;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.92rem;
  font-family: inherit;
  color: #1a1a1a;
  background: #fafbfd;
  box-sizing: border-box;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
}
.btn-block { width: 100%; text-align: center; }
.form-tip { text-align: center; font-size: 0.78rem; color: #999; margin: 0.9rem 0 0; }
.form-tip i { margin-right: 0.3rem; }
/* faq 双栏（索引 + 手风琴） */
.faq-wrap {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 2rem;
  max-width: 1060px;
  margin: 0 auto;
  align-items: start;
}
.faq-index {
  position: sticky;
  top: 90px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 1.25rem 1rem;
}
.faq-index-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #999;
  letter-spacing: 0.5px;
  margin: 0 0.4rem 0.7rem;
}
.faq-index ul { list-style: none; margin: 0; padding: 0; }
.faq-index li { margin-bottom: 0.15rem; }
.faq-index a {
  display: block;
  color: #555;
  font-size: 0.86rem;
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  line-height: 1.45;
  transition: background 0.2s, color 0.2s;
}
.faq-index a:hover { background: #f0f4ff; color: var(--primary-blue); }
.faq-main { min-width: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.faq-item {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  scroll-margin-top: 100px;
}
button.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: 1.15rem 1.5rem;
  color: #1a1a1a;
  font-size: 1rem;
  font-weight: 600;
  transition: color 0.2s;
}
button.faq-q:hover { color: var(--primary-blue); }
.faq-arrow {
  color: #b0b5bd;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); color: var(--primary-blue); }
.faq-a { display: none; padding: 0 1.5rem 1.3rem; }
.faq-item.open .faq-a { display: block; }
.faq-a p { color: #555; font-size: 0.92rem; line-height: 1.8; margin: 0; }
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-toc { position: static; display: none; }
  .faq-wrap { grid-template-columns: 1fr; }
  .faq-index { position: static; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .job-card { flex-wrap: wrap; }
  .job-cta { width: 100%; }
  .consult-card { padding: 1.5rem 1.25rem; }
}

/* ===== 2026-10-30 视觉修复（截图验收发现） ===== */
/* 1. 蓝底「实施服务」区块：标题与描述继承了大标题深色，对比度不足 */
.customization .section-title,
.customization .section-desc { color: #ffffff; }
.customization .section-desc { opacity: 0.92; }

/* 2. 长标题改用均衡换行，避免小屏末行只剩一两个字 */
.section-title { text-wrap: balance; }

/* 3. 卡片作为链接时去掉下划线/链接色（404 页入口卡） */
.mm-card-grid a.mm-card,
.mm-card-grid a.mm-card:hover { text-decoration: none; color: inherit; }